OPPO A91 vs OnePlus Nord 4 Specs Comparison

Availability

Officially announced
Dec 20, 2019

Design

Dimensions
6.31 x 2.89 x 0.31 inches 160.2 x 73.3 x 7.9 mm	6.40 x 2.95 x 0.31 inches 162.6 x 75 x 8 mm
Weight
6.07 oz / 172.0 g	7.04 oz / 199.5 g
Materials
Back: Plastic Frame: Plastic	Back: Glass (Corning Gorilla Glass 5) Frame: Plastic
Resistance
	Yes; IP65
Biometrics
Optical in-screen fingerprint	Optical in-screen fingerprint
Keys
Left: Volume control; Right: Lock/Unlock key
Colors
Lightening Black, Unicorn White, Blazing Blue	Obsidian Midnight, Mercurial Silver, Oasis Green

Display

Size
6.4-inch, 84.05% screen-to-body	6.7-inch, 89.66% screen-to-body
Type
AMOLED, 60Hz	AMOLED, 120Hz, HDR, 2150 nits
Resolution
2400x1080px, 20:9 ratio, 411 PPI	2772x1240px, 20:9 ratio, 451 PPI
Protection
Corning Gorilla Glass 5

Hardware

System chip
Mediatek Helio P70 MT6771V (12 nm)	Snapdragon 7+ Gen 3 SM7675 (4 nm)
Processor
Octa-core 2100 MHz Cortex-A73	Octa-core 1x2.8GHz Cortex-X4 4x2.6GH​z Cortex-A720 3x1.9​GHz Cortex-A520
GPU
Mali-G72 MP3	Adreno 732
Memory
4GB (LPDDR4)/128GB (UFS 2.1) 8GB/128GB	8GB/128GB (UFS 3.1) 8GB/256GB 12GB/256GB 16GB/512GB
Storage expansion
microSDXC	not expandable
OS
Android (9.0 Pie)	Android (14)

Battery

Type
4025 mAh, Li - Polymer	5500 mAh
Charging
SuperVOOC 3.0	Fast charging
Charge speed
Wired: 20.0W	Wired: 100.0W

Camera

Rear
Dual camera	Dual camera
Main camera
48 MP (PDAF) Aperture size: F1.8 Focal length: 26mm (wide) mm Sensor size: 1/2.3" Pixel size: 0.8 μm	50 MP (OIS, PDAF) Aperture size: F1.8 Focal length: 25 mm Pixel size: 0.8 μm
Second camera
8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/1.4" Pixel size: 1.12 μm	8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
2 MP (Macro) Aperture size: F2.4 Sensor size: 1/1.5" Pixel size: 1.75 μm
Fourth camera
2 MP (Depth information) Aperture size: F2.4 Sensor size: 1/3.1" Pixel size: 1 μm
Flash
LED	LED
Video recording
1080p (30 fps) HDR, Time-lapse video, EIS
Front
16 MP Video capture: 720p (30 fps)	16 MP

Connectivity & Features

Bluetooth
4.2	5.4
WLAN
b,g,n,ac Wi-Fi Direct, Hotspot 802.11 b, g, n, ac	a,b,g,n,ac,Wi-Fi 6 Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax
USB
Type-C, USB 2.0	Type-C
Sensors
Accelerometer, Gyroscope, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, SBAS, NavIC, Cell ID, Wi-Fi positioning
Other
	NFC, Infrared

Discover more

Full Specs OPPO A91 Specs

Full Specs OnePlus Nord 4 Specs

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

5G Bands
	n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n40, n41, n66, n77, n78, 5G Ready
4G (FDD) Bands
1, 3, 5, 7, 8	1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 66
4G (TDD) Bands
38, 40, 41	38, 39, 40, 41
3G Bands
1, 5, 8	1, 2, 3, 4, 5, 6, 8
Data Speed
LTE, HSDPA+ (4G) 42.2 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
No
SIM type
Nano SIM	Dual Nano SIM

Alternative variants

Comes with 8GB RAM

Memory	8GB

With 256GB internal storage

Memory	256GB (UFS 4.0)

With 12GB RAM and 256GB internal storage

Memory	12GB/256GB (UFS 4.0)

With 16GB RAM and 512GB internal storage

Memory	16GB/512GB (UFS 4.0)